CVE-2018-4863

MEDIUMNVD 5.55.5—Trending — 3 sources updated this weekElevated

5.5

Sophos Endpoint Protection 10.7 allows local users to bypass an intended tamper protection mechanism by deleting the HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\Sophos Endpoint Defense\ registry key.

CVSS v3: 5.5
EG Score: 5.5(medium)
EPSS: 11.8%
KEV: Not listed

Published

April 5, 2018

Last Modified

November 21, 2024

References (6)

cve@mitrehttp://hyp3rlinx.altervista.org/advisories/SOPHOS-ENDPOINT-PROTECTION-v10.7-TAMPER-PROTECTION-BYPASS-CVE-2018-4863.txt
cve@mitrehttp://seclists.org/fulldisclosure/2018/Apr/6
cve@mitrehttps://www.exploit-db.com/exploits/44410/
af854a3a-2127-422b-91ae-364da2661108http://hyp3rlinx.altervista.org/advisories/SOPHOS-ENDPOINT-PROTECTION-v10.7-TAMPER-PROTECTION-BYPASS-CVE-2018-4863.txt
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2018/Apr/6
af854a3a-2127-422b-91ae-364da2661108https://www.exploit-db.com/exploits/44410/

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-254

Data Freshness Timeline

(refreshed 11× in last 7d / 16× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:41 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 09:32 UTCEG score recompute
2026-05-28 09:32 UTCGHSA enrichment
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-44410
First seen Apr 6, 2018
Sophos Endpoint Protection 10.7 - Tamper-Protection Bypass
Open source ↗

Frequently asked(5)

What is CVE-2018-4863?

CVE-2018-4863 is a medium vulnerability published on April 5, 2018. Sophos Endpoint Protection 10.7 allows local users to bypass an intended tamper protection mechanism by deleting the HKEYLOCALMACHINE\SYSTEM\CurrentControlSet\services\Sophos Endpoint Defense\ registry key.

When was CVE-2018-4863 disclosed?

CVE-2018-4863 was first published in the National Vulnerability Database on April 5, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2018-4863 actively exploited?

CVE-2018-4863 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 11.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2018-4863?

CVE-2018-4863 has a CVSS v3 base score of 5.5 (NVD).

How do I remediate CVE-2018-4863?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-4863, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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